Форум пользуется их базой соответствия IP-адресов и стран.
...
Но это в общем. А в частности, Вам не поможет. Ваш IP 141.138.xxx.xxx принадлежит украинскому провайдеру:
inetnum: 141.138.96.0 - 141.138.119.255
netname: UA-EVEREST-NET
descr: "Everest" Broadcasting Company Ltd
country: UA
admin-c: PAS666-RIPE
admin-c: DS162-RIPE
tech-c: PAS666-RIPE
tech-c: DS162-RIPE
status: ASSIGNED PA
mnt-by: EVEREST
created: 2011-06-30T14:18:40Z
last-modified: 2011-06-30T14:18:40Z
source: RIPE
person: Dmitry Semenov
address: "Everest" Broadcasting Company Ltd
address: 40-richchya Peremogi str., 6B
address: 21036, Vinnitsa
address: Ukraine
phone: +380 432 552544
fax-no: +380 432 552540
nic-hdl: DS162-RIPE
created: 1970-01-01T00:00:00Z
last-modified: 2015-12-11T07:28:06Z
source: RIPE # Filtered
mnt-by: EVEREST
person: Pasha Stepanenko
address: "Everest" Broadcasting Company Ltd
address: 40-richchya Peremogi str., 6B
address: 21036, Vinnitsa
address: Ukraine
phone: +380 432 552544
fax-no: +380 432 552540
nic-hdl: PAS666-RIPE
created: 2006-05-04T11:06:55Z
last-modified: 2015-12-11T07:29:04Z
source: RIPE # Filtered
mnt-by: EVEREST
% Information related to '141.138.96.0/19AS49223'
route: 141.138.96.0/19
descr: Everest primary Route
origin: AS49223
mnt-by: EVEREST
created: 2011-06-30T14:26:16Z
last-modified: 2011-06-30T14:26:16Z
source: RIPE